The LMARV-1 (Learn Me A Risc-V, version 1) is a RISC-V processor built out of MSI and LSI chips. You can point to pieces of the processor and see the data flow. It should be a nice way of demonstrating how RISC-V works and how simple it is to implement.

RISC-V specs: https://riscv.org/specifications/

Github for KiCAD schematics and gerbers: https://github.com/RobertBaruch/lmarv

RISC-V YouTube channel: https://www.youtube.com/channel/UC5gLmcFuvdGbajs4VL-WU3g